Tarte Tatin is a French dessert, and is essentially an upside down tart. It was invented accidentally in the 1880s by hotelier, Stéphanie Tatin, when she left the apples for an apple pie, coming too long with butter and sugar. Smelling it burn, she tried to rescue it by putting the pastry on top and doing a quick oven bake. She tipped it upside down, and her guests loved the it, quickly turning it into signature dish.